Approximate the value of sum after the following code fragment, in terms of variable n in Big-Oh notation. int sum = 0; for (int i = 1; i

Approximate the value of sum after the following code fragment, in terms of variable
n
in Big-Oh notation.

int sum = 0;

for (int i = 1; i <= n="" -="" 3;="" i++)="">

    for (int j = 1; j <= n="" +="" 4;="" j="" +="5)">

         for (int k = 1; k <= n="" +="" 4;="" k="" +="5)">

               sum += 2;

         }

    }

    sum++;

}

for (int i = 1; i <= 100;="" i++)="">

    sum++;

}